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Convert AIFF to OPUS

AIFF is great for uncompressed audio for Mac and pro audio software, but OPUS is the better choice for voice messages, calls and streaming at low bitrates. Convert AIFF to OPUS in seconds, right in your browser.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    Quality
    Advanced options
    Trim (optional)
    Use minutes:seconds, e.g. 1:05.5

    How to convert AIFF to OPUS

    1. 1

      Tap Choose files and select one or more AIFF files (or drag them in).

    2. 2

      Check that OPUS is selected. Use Advanced options for bitrate, channels or trimming.

    3. 3

      Press Convert. Everything happens on your device — no upload, no waiting in a queue.

    4. 4

      Your OPUS downloads automatically. Converting several files? Grab them all as a ZIP.

    AIFF vs OPUS

    OPUS uses lossy compression, which makes the file much smaller than AIFF. Choose High quality and the difference is inaudible for most listeners.

    AIFFOPUS
    Full nameAudio Interchange File FormatOpus Audio
    TypeAudioAudio
    CompressionLosslessLossy
    Developed byAppleIETF / Xiph.Org
    Introduced19882012
    Plays on iPhone✓ Yes◐ Partly / with an app
    Plays on Android◐ Partly / with an app✓ Yes
    Plays on Windows◐ Partly / with an app✓ Yes
    Plays on Mac✓ Yes✓ Yes

    About AIFF and OPUS

    AIFF: AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV. It is used in GarageBand, Logic Pro and professional audio workflows.

    OPUS: Opus is a modern, highly efficient codec used by WhatsApp voice notes, Discord, Zoom and WebRTC calls. It sounds excellent even at very low bitrates.

    Frequently asked questions

    How do I convert AIFF to OPUS on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your AIFF, make sure OPUS is selected and tap Convert. The OPUS file is saved to your Downloads.
    Will converting AIFF to OPUS reduce quality?
    OPUS uses lossy compression, which makes the file much smaller than AIFF. Choose High quality and the difference is inaudible for most listeners.
    Is this AIFF to OPUS converter free?
    Yes — completely free with no limits on the number of files, no watermark and no account. The site is supported by ads.
    Are my files uploaded to a server?
    No. The converter runs inside your browser using WebAssembly, so your files never leave your device. That's also why it works for private and confidential recordings.

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    Convert AIFF to other formats

    AIFF to MP3AIFF to M4AAIFF to M4RAIFF to AACAIFF to ALACAIFF to WAVAIFF to FLACAIFF to OGGAIFF to WEBAAIFF to WMAAIFF to AC3AIFF to CAF

    Convert other formats to OPUS

    MP3 to OPUSM4A to OPUSM4R to OPUSAAC to OPUSALAC to OPUSWAV to OPUSFLAC to OPUSOGG to OPUSWEBA to OPUSWMA to OPUSAC3 to OPUSCAF to OPUSAMR to OPUS3GA to OPUSAPE to OPUSMP4 to OPUSMOV to OPUSMKV to OPUSWEBM to OPUSAVI to OPUSFLV to OPUSWMV to OPUS3GP to OPUSM4V to OPUSMPG to OPUSTS to OPUSGIF to OPUSMTS to OPUSVOB to OPUSHEVC to OPUSRMVB to OPUS

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